Amin, S. ., N. . Islam, A. R. . Quddush, .-. kamruzzaman, .-. Badruzzaman, S. . Parvin, and F. Sultana. “Identification of Risk Factors Associated With Umbilical Hernia in under 5 Children: A Hospital Based Study”. Community Based Medical Journal, vol. 7, no. 2, Sept. 2018, pp. 4-8, doi:10.3329/cbmj.v7i2.55449.